1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stealth61 [152]
3 years ago
10

The theoretical probability of a given event is a fraction of 9 and 13. explain what each number represent

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0
9 represents the event, 13 represents all possible events.

I have a bag of 13 marbles. 9 of my marbles are blue, 4 are red. My probability of reaching in and pulling out a blue marble at random is 9/13 (Which is 69%)
You might be interested in
Find the volume of the following figure using unit cubes.
Kipish [7]

The person under has a better answer |

v

5 0
3 years ago
Read 2 more answers
What is the answer to 11 > b + 4 > -6
Anestetic [448]

11 > b+4 > -6\\11 - 4 > b > -6-4\\7 > b > -10

Hope that helps!

7 0
2 years ago
Find the length of B to the nearest tenth using the Pythagorean theorem.​
fgiga [73]
The answer is 11.2

The Pythagorean Theorem says
a^2+b^2=c^2

From the picture, we know one side, and the hypotenuse.

10^2+b^2=15^2
100+b^2=225
b^2=225
Sqrtb^2=sqrt225
b=11.18

Rounded to the nearest tenth it is 11.2
4 0
3 years ago
The figures below are made out of circles, semicircles, quarter circles, and a square. Find the area and the perimeter of each f
Rom4ik [11]

Answer:

  • The area of the figure will be 5π/2 in².
  • The perimeter will be 3π + 2 in

Step-by-step explanation:

This figure is a combination of two semi-circles.

  • One having diameter of 2 inches i.e. AD
  • Other having diameter of 4 inches i.e. AC

As

{\displaystyle \pi ={\frac {C}{d}}}

{{{C}}}=\displaystyle \pi.d

Perimeter of the big figure could be computed by cutting the perimeters of each circle in half, and then combing them together.

Area could be computed using the same way.

<u>Calculating the Perimeter:</u>

  • As the circumference of the smaller circle is 2π in. Cutting it half would yield the circumference of the smaller semi-circle i.e. π.
  • As the circumference of the bigger circle is 4π in. Cutting it half would yield the circumference of the bigger semi-circle i.e. 2π.
  • As the length of the segment DC is 2 in.

So, the total perimeter would be: π + 2π + 2 = 3π + 2 in

<u>Calculating the Area</u>

Area could be computed using the same way as we did during measuring perimeter.

As the area of circle is

A={\displaystyle \pi.r^{2}

As we are dealing with semi-circles. So, cutting the diameters of two semi-circles in half can let us find the radii of them.

So,

  • Smaller semi-circle has 1 in radius
  • Larger semi-circle has 2 in radius

Areas would have to be cut in half as well, as we are dealing with semi-circles.

So,

For smaller:

A_{small} =\frac{1}{2} {\displaystyle \pi.r^{2}

A_{small} =\frac{1}{2} {\displaystyle \pi.(1)^{2}

A_{small} =\frac{1}{2} {\displaystyle \pi

Hence, the area of smaller will be: π/2 in²

For larger:

A_{larger} =\frac{1}{2} {\displaystyle \pi.r^{2}

A_{larger} =\frac{1}{2} {\displaystyle \pi.(2)^{2}

A_{larger} =2 \pi^{}

Hence, the area of larger will be: 2π in²

Combining them together:

\frac{1}{2} {\displaystyle \pi^{} + 2 {\displaystyle \pi^{}=\frac{5}{2} {\displaystyle \pi^{}

Therefore,

  • The area of the figure will be 5π/2 in².
  • The perimeter will be 3π + 2 in

<em>Keywords: radius, area, perimeter, semi-circle, circle, diameter, circumference of circle</em>

<em>Learn more about circle measurements from brainly.com/question/3855576</em>

<em>#learnwithBrainly</em>

3 0
3 years ago
Read 2 more answers
4 in<br>4 in<br>Find the area of the triangle.<br>[?] square inches<br>Enter​
34kurt
It is 8 sq in his because if u use the formula bh1/2 u get 4 x 4 x 1/2 which is equal to 8
6 0
3 years ago
Other questions:
  • How to solve a classmate draws a parallelogramfor whichone side is twice as long as the other. If one side is 26 units, what are
    15·1 answer
  • What is the general form of the equation of the line shown?
    12·2 answers
  • Evaluate the expression 7x2y, when x = 4 and y = 2. and just gave me the plain answer
    9·2 answers
  • Help with the ones that aren’t answered plz
    9·2 answers
  • Please help me<br>133÷3=?<br>​
    8·2 answers
  • An MP3 player costs $70 and song downloads cost $0.95 each. Write an expression that represents the cost of the MP3 player and x
    14·1 answer
  • Which of the following expressions has a value of 2/5 in the picture below?
    5·1 answer
  • Plz help me 1 will give 30 points and brainly and 5 stars and like
    9·1 answer
  • -86, 88, 33, 55, 93, 6, 88, 81, 5, -33, 33, -33
    6·1 answer
  • If Gabriel takes a 25 question multiple choice test and receives a score of 52%, how many questions did he answer correctly
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!